/*
 * Copyright 2021-2021 Monkey Group.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.monkey.mmq.rule.engine;


import org.monkey.mmq.rule.engine.feature.Feature;
import org.monkey.mmq.rule.engine.supports.DefaultReactorQLMetadata;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

class DefaultReactorQLBuilder implements ReactorQL.Builder {

    private String sql;

    private final List<Feature> features = new ArrayList<>();

    @Override
    public ReactorQL.Builder sql(String... sql) {
        this.sql = String.join(" ", sql);
        return this;
    }

    @Override
    public ReactorQL.Builder feature(Feature... features) {
        this.features.addAll(Arrays.asList(features));
        return this;
    }

    @Override
    public ReactorQL build() {
        DefaultReactorQLMetadata metadata = new DefaultReactorQLMetadata(sql);
        metadata.addFeature(features);
        return new DefaultReactorQL(metadata);
    }
}
